.erwei {
	width: 100%;
	height: 100%;
	background: url(../images/game-index.jpg) center center no-repeat;
	background-size: cover;
	position: relative;
	padding-top: 190px;
}
.mama{
	width: 250px;
	height: 250px;
	border: 2px solid #000;
	margin: auto;
	position: absolute;
	top: 0;
	left: 0;
	right: 0;
	bottom: 0;
	}
	
.henpi {
	width: 100%;
	line-height: 50px;
	font-size: 28px;
	font-weight: bold;
	text-align: center;
	color: #E69200;
}